package com.jingdianjichi.auth.common.entity;

import lombok.Data;

import java.util.Collections;
import java.util.List;
@Data
public class PageResult<T> {
    private Integer pageNo=1;

    private Integer pageSize=20;

    private Integer total=0;

    private Integer totalPage=0;

    private List<T> result= Collections.emptyList();

    private Integer start=1;

    private Integer end=0;

    public void setResult(List<T> result) {
        this.result = result;
        if(result!=null&&result.size()>0){
            setTotal(result.size());
        }
    }

    public void setTotal(Integer total) {
        this.total = total;
        if(this.pageSize>0){
            this.totalPage = (total/this.pageSize)+(total%this.pageSize==0?0:1);
        }else {
            this.totalPage = 0;
        }
        this.start = (this.pageSize > 0 ? (this.pageNo - 1) * this.pageSize : 0) + 1;
        this.end = (this.start - 1 + this.pageSize * (this.pageNo > 0 ? 1 : 0));

    }
    public void setPageSize(Integer pageSize) {
        this.pageSize = pageSize;
    }

    public void setPageNo(Integer pageNo) {
        this.pageNo = pageNo;
    }

}
